EP0736267A2 - Callote isolante et article chaussant ainsi équipé - Google Patents

Callote isolante et article chaussant ainsi équipé Download PDF

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Publication number
EP0736267A2
EP0736267A2 EP96104964A EP96104964A EP0736267A2 EP 0736267 A2 EP0736267 A2 EP 0736267A2 EP 96104964 A EP96104964 A EP 96104964A EP 96104964 A EP96104964 A EP 96104964A EP 0736267 A2 EP0736267 A2 EP 0736267A2
Authority
EP
European Patent Office
Prior art keywords
cap
footwear
insole
lining
thermal insulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96104964A
Other languages
German (de)
English (en)
Other versions
EP0736267A3 (fr
Inventor
Thorger Hübner
Martin Pfister
Wolfgang Nocker
Stefan Trainer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WL Gore and Associates GmbH
Original Assignee
WL Gore and Associates GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WL Gore and Associates GmbH filed Critical WL Gore and Associates GmbH
Publication of EP0736267A2 publication Critical patent/EP0736267A2/fr
Publication of EP0736267A3 publication Critical patent/EP0736267A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/12—Special watertight footwear
    • A43B7/125—Special watertight footwear provided with a vapour permeable member, e.g. a membrane
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/16—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined with heel or toe caps
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/34—Footwear with health or hygienic arrangements with protection against heat or cold

Definitions

  • the invention relates to a thermal insulation cap and footwear equipped therewith.
  • Footwear worn in a low temperature environment must keep the feet of the person wearing such footwear sufficiently warm. Winter shoes, hiking boots, etc. are therefore usually lined with warm lining.
  • the toe area of the foot proves to be particularly critical.
  • the foot feels the strongest temperature in the toe area.
  • the blood flow can be changed in a ratio of about 1: 100 in order to maintain the body temperature in the toe area.
  • One solution of the invention consists in a heat insulation cap, with which the footwear can be lined in the toe area, the heat insulation cap being constructed with an air-storing material which has such a compression resistance that it is at compression pressures which arise during normal use of the footwear the material is exercised, air storage capacity and thus insulated wedge remains.
  • the ability to store air ensures thermal insulation in the toe area, since the air in the air-storing material that is warmed by the foot represents a thermal insulation layer.
  • the air-storing material can be closed-pore or open-pore, for example a porous plastic foam or felt. Closed-pore material has the advantage that no moisture can penetrate into the pores, which would displace the heated air stored in the material and impair the thermal insulation.
  • the heat insulation cap can be provided with a waterproof, water vapor-permeable functional layer, which is preferably constructed with microporous polytetrafluoroethylene (PTFE).
  • the functional layer can be arranged on the outside facing the upper of the footwear, on the inside facing away from the upper or on both sides of the air-storing material.
  • a functional layer arranged on the outside of the air-storing material prevents moisture from penetrating into the air-storing material from the outside and thus impairing the thermal insulation ability of this material.
  • a functional layer arranged on the inside of the air-storing material prevents sweat moisture, which is emitted by the foot through the air-storing material and condenses to water outside the functional layer, can return to the foot.
  • a waterproof, water vapor-permeable functional layer both on the outside and on the inside of the air-storing material.
  • moisture coming from outside is prevented from penetrating into the air-storing material and impairing its thermal insulation, and also that sweat moisture, which condenses, for example, on the inside of the outer functional layer, gets back to the foot.
  • a heat insulation cap that is constructed with a laminate that has a layer of air-storing material, a textile lining layer on the inside, and a waterproof, water-vapor-permeable functional layer on the outside and / or on the inside of the layer of air-storing material.
  • the invention also makes available footwear that is lined with a thermal insulation cap according to the invention only in the toe area. Increased thermal insulation therefore only takes place in the toe area. The rest of the foot is not overheated.
  • Footwear that is supposed to be suitable for low ambient temperatures is usually provided with a shoe lining lining the interior of the footwear, at least the upper.
  • the thermal insulation cap according to the invention is then additionally arranged in the toe area of the footwear.
  • the shoe lining can be adapted to the heat requirement of the entire foot. The higher heat requirement in the toe area is taken into account by the additional heat insulation cap.
  • the thermal insulation cap can be arranged between the shoe lining and the upper material of the footwear.
  • the heat insulating cap can be arranged inside the sock-like insert.
  • the versatility of the footwear is particularly great if you place the thermal insulation cap on the toe area of an insole, which can optionally be inserted into the footwear.
  • the insole with the thermal insulation cap is inserted into the footwear and at higher ambient temperatures, the insole with the thermal insulation cap is removed from the footwear.
  • another insole can then be inserted into the footwear, which is provided in the toe area with a filler cap instead of the heat insulation cap, which would otherwise be used by the heat insulation cap Fills the inner part of the footwear, but has no heat insulation properties and therefore does not heat the toe area of the foot.
  • FIG. 1 shows a schematic representation of a shoe 11, which in the usual way has a shaft 13, an insole 15 and an outsole 17, and whose shaft 13 is constructed with an upper 19 and a lining material 21 lining the upper 19.
  • a heat insulation cap 23 is provided which only lines the toe region 25 of the shoe 11.
  • the heat insulating cap 23 is located between the upper material 19 and the lining material 21.
  • the remaining area of the shoe 11 is only with the lining material 21 lined so that increased heat insulation occurs only in the toe area of the shoe 11.
  • FIG. 2 shows a lining sheet 27 which is intended to form part of the lining material 21 of the shoe 11.
  • the lining sheet 27 has a toe region 29 at the top in FIG. 2 and a tongue connection region 31 at the bottom in FIG. 2, which is sewn to the shoe tongue.
  • a heat insulating cap sheet 33 is fastened by means of a transition web 35.
  • the lower longitudinal side edge 37 of the transition web 35 in FIG. 2 is sewn onto the lining sheet 27 with the aid of a lining seam 39.
  • the end of the heat insulating cap sheet 33 remote from the toe region 25 is sewn by means of a cap seam 43.
  • the combination of lining sheet 27 and heat insulating cap sheet 33 shown in FIG. 2 is intended for shoes, the shaft 13 of which is connected to the insole 15 of the shoe 11 by pinching.
  • the insole 15 is fastened to the sole side of a shoe last and the upper 13 is then placed on the top of the last.
  • a lower end region of the shaft 13 projects beyond the underside of the last.
  • This protrusion or lasting fold is then pulled around the sole-side circumference of the last on the underside of the insole 15 and glued there.
  • the composite of lining sheet 27 and heat insulation cap sheet 33 shown in FIG. 2 is placed over the last and pulled around the outer contour of last and insole 15 and glued to the underside of insole 15.
  • the heat insulating cap sheet 33 is relatively thick due to the air-storing material, there is strong wrinkling in the area of the lasting fold of the thermal insulating cap sheet 33 when the circumferential area of the thermal insulating cap sheet 33 is knocked over or twisted 47 divided and these lasting flaps 47 are sharpened on the other hand, so that the thickness of the lasting flaps 47 decreases towards their free ends.
  • both the lining sheet 27 and the heat insulating cap sheet 33 can be provided with a waterproof, water vapor-permeable functional layer. So that their water vapor permeability is not prevented, the heat insulating cap sheet 33 must not be completely in love with the lining sheet 27. For this reason, in the embodiment shown in FIG. 2, the fastening between the lining sheet 27 and the heat insulating cap sheet 33 takes place via the seams 39 and 43. Alternatively, one could use a dot matrix glue or only circumferential glue between the lining sheet 27 and the heat insulation cap sheet 33.
  • the lining sheet 27 For shoes that are not designed for water resistance, neither the lining sheet 27 nor the heat insulating cap sheet 33 need to be lined with a waterproof, water vapor-permeable functional layer. The same applies to shoes that are waterproof due to the use of a waterproof upper for the upper.
  • a waterproof upper for the upper.
  • the lining sheet 27 is provided with a waterproof, water vapor-permeable functional layer. So that such shoes are breathable, upper 13 is used for the upper 13, which is permeable to air, but also permeable to water. Through the upper material 19, water penetrating from the outside therefore reaches the heat insulation cap 23 formed from the heat insulation cap sheet 33.
  • a waterproof, water vapor-permeable functional layer can be arranged on the outside of the air-storing material of the heat insulating cap 23 facing the shaft 13. Because sweat moisture given off by the foot, particularly in cold ambient temperatures, points to the air-storing material Can collect inside of this functional layer as condensation, in a preferred embodiment, a waterproof, water vapor-permeable functional layer is also provided on the side of the air-storing material of the heat insulating cap 23 facing the lining sheet 27. This prevents such condensed water from returning to the foot of the person wearing the shoe. It is also possible to arrange a functional layer only on the side of the air-storing material of the heat insulating cap 23 that is remote from the shaft 13.
  • FIG. 3 shows a sectional view of the composite shown in FIG. 2 with a lining sheet 27 and a heat insulation cap sheet 33.
  • the lining sheet 27 and the heat insulation cap sheet 33 are each formed from a laminate of the same structure. That is, the lining sheet 27 and the heat insulating cap sheet 33 are punched out of the same laminate and fastened one above the other with the same orientation with respect to the layer position.
  • the heat insulating cap sheet 33 is sewn onto the lining sheet 27 by means of the transition web 35, specifically by means of the cap seam 43 and the lining seam 39. Since the functional layer 53 of the lining sheet 27 is perforated by the lining seam 39, the lining seam 39 is sealed on the side facing the interior of the shoe by means of a waterproof sweatband 59.
  • the sweatband 59 is also provided with a textile protective layer 61 for protection and mechanical stabilization.
  • water resistance and breathability for the foot are provided by the functional layer 53 of the lining sheet 27.
  • the functional layer 53 of the heat insulation cap sheet 33 is actually only present because the heat insulation cap sheet 33 is stamped from the same laminate as the lining sheet 27.
  • the heat insulating cap sheet 33 can also be arranged in the reverse orientation of its laminate layers, ie with the functional layer 53 towards the shaft 13, that is to say upward in FIG. 3. This reduces the risk that the air storage layer 51 is soaked up with moisture which has penetrated through the shaft 13 from the outside and would impair the thermal insulation ability of the air storage layer 51.
  • the laminate of the lining sheet 27 could also be oriented in the opposite direction to that shown in FIG. likewise with its functional layer 53 facing the shaft, that is to say pointing upward in FIG. 3.
  • the air storage layer 51 of the lining sheet 27 would be protected from being soaked up with liquid which penetrates through the shaft 13 to the lining sheet laminate.
  • the human foot has a particularly large number of sweat glands in the toe area, so that a particularly large amount of perspiration is generated in the toe area.
  • This could condense at a cold ambient temperature on the inside of the functional layer 53 of the lining sheet 27 and in the toe area of the shoe 11 on the inside of the functional layer 53 of the heat insulating cap sheet 33.
  • Liquid condensed on the functional layer 53 of the lining sheet 27 could run back to the foot and wet it.
  • condensing liquid could run back to the air storage layer 51 of the lining 27 and impair its thermal insulation ability.
  • one functional layer 53 can be arranged both on the inside and on the outside of the air storage layer 51 of the lining sheet 27 and preferably also of the heat insulating cap sheet 33.
  • the air storage layer 51 is protected from the ingress of moisture from the outside and, on the other hand, it is achieved that condensation water formed on the outer functional layer cannot get back to the foot.
  • the condensation of sweat moisture occurs mainly on the outside of the air storage layer 51, since the inside thereof will normally be so much warmer than the outside due to the warm air stored therein that the process of condensing sweat liquid is practically only on the outer functional layer 53 of the lining sheet 27 or the heat insulating cap sheet 33 occurs.
  • the lining sheet 27 and the heat insulating cap sheet 33 are fastened to one another by means of the transition web 35 and by means of the seams 39 and 43. You can also attach the thermal insulation cap sheet 33 to the lining sheet 27 by gluing. However, full-surface gluing should be avoided because this would hinder the breathability of the shoe 11 in the toe area, that is to say where there is a particularly high sweat moisture emitted by the foot due to an increased number of sweat glands. In the case of adhesive bonding, therefore, either a dot-matrix-type adhesive bonding or an adhesive bonding should only be carried out on the circumferential contour of the heat insulating cap sheet 33.
  • FIGS. 4 to 7 show an embodiment of the invention which makes it possible to change the heat-insulating capacity of a shoe 63 depending on the ambient temperature.
  • an insole 65 is provided, on the toe area of which a heat-insulating cap 23 is attached. This can be built up, for example, with the laminate that is used in FIG. 3 both for the lining sheet 27 and for the heat insulating cap sheet 33.
  • the insole 65 can be inserted into the shoe 63 with the heat insulating cap 23. If the ambient temperature is so high that the thermal insulation cap 23 leads to overheating of the toe area, the insole 65 can be removed from the shoe 63. So that the interior of the shoe is not too large for the foot in this case, instead of the insole 65 provided with the heat insulating cap 23, an insole provided with a filling cap can be inserted into the shoe 63.
  • the insole provided with the insulating cap 23 thus forms a winter insole, while the insole provided with the filler cap can be referred to as a summer insole.
  • the summer insole with the filler cap has the same dimensions and dimensions as the winter insole so that the interior of the shoe is always the same size for the foot, regardless of whether the winter insole or the summer insole is inserted into the shoe 63.
  • the filling cap of the summer insole consists of a non-heating material which preferably has approximately the same compression resistance as the air storage material of the heat insulating cap 23. Suitable materials for the filler cap are, for example, coarse-mesh knitted spacer fabrics, knitted spacer fabrics or spacer nets.
  • FIG. 5 shows a schematic perspective view of an embodiment of an insole 65 with a heat insulation cap 23 attached to the toe region thereof.
  • the heat insulation cap 23 is sewn to the insole 65 by means of a tension seam 67. So that there is no step at the insertion opening of the heat insulation cap 23 in the interior of the shoe, which on the one hand could impair the comfort of the shoe provided with the insole 65 and, on the other hand, when the shoe slipped into the interior of the shoe could lead to entrainment of the edge of the heat insulation cap 23 on the insertion opening side a wedge-shaped transition lip 69 serving as a slip-in aid, the thickness of which decreases in the direction of the heel region of the insole 65.
  • an arcuate spring clip 71 is inserted into the transition lip, which is formed, for example, from a spring wire.
  • a Velcro fastener element 73 is arranged on the outside of the heat insulating cap 23, which can be hooked up with a counter Velcro fastener element at a corresponding point in the shoe interior in order to hold the heat insulating cap 23 in the toe area of the shoe interior.
  • the underside of the insole 65 can also be provided with at least one Velcro fastener element 75 in order to enable the insole 65 to adhere well within the shoe 63.
  • the heat insulation cap 23 can again be constructed with a laminate, as has been explained in connection with FIG. 3.
  • the summer insole can look exactly like the winter insole 65 shown in FIG. 5, although the cap is designed as a filling cap and is constructed with a non-warming spacer material of the type already mentioned.
  • FIG. 6 shows in a very schematic and not to scale representation a sectional view of part of the heat insulating cap 23 or the filler cap.
  • the one adjacent to the slip opening is shown
  • the spring clip 71 is inserted, which by means of a zigzag seam 79 both on the cap and is attached to the transition lip 69.
  • the Velcro fastener element 73 is located in the vicinity of the lip seam 77.
  • the cap is with the air storage layer, preferably with the laminate described in connection with FIG. 3, or built with the non-warming spacer material.
  • FIG. 7 shows a blank 81 from which the heat insulation cap 23 or the filler cap is imaged.
  • the blank 81 is provided with a V-shaped gusset recess 83, which is sewn by means of the tension seam 67 to form the round tip of the toe on the shoe tip side.
  • the blank 81 is provided with a notch 85 for a bottom fold, which is located in FIG. 5 at the connection point between the insertion-side end of the cap and the circumference of the insole.
  • the circumference of the blank 81 is sharpened in the edge region 89 in order to make it easier to attach the cap to the insole.
  • Materials suitable for functional layer 53 include microporous stretched polytetrafluoroethylene (PTFE) as described in U.S. Patents 3,953,566 and 4,187,390; stretched PTFE provided with hydrophilic impregnating agents and / or layers as described in US Pat. No. 4,194,041; breathable polyurethane layers; or elastomers such as copolyether esters and their laminates as described in U.S. Patents 4,725,481 and 4,493,870.
  • PTFE microporous stretched polytetrafluoroethylene

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP96104964A 1995-04-04 1996-03-28 Callote isolante et article chaussant ainsi équipé Withdrawn EP0736267A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19512499 1995-04-04
DE1995112499 DE19512499C1 (de) 1995-04-04 1995-04-04 Wärmeisolierkappe und damit ausgerüstetes Schuhwerk

Publications (2)

Publication Number Publication Date
EP0736267A2 true EP0736267A2 (fr) 1996-10-09
EP0736267A3 EP0736267A3 (fr) 1996-12-27

Family

ID=7758692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96104964A Withdrawn EP0736267A3 (fr) 1995-04-04 1996-03-28 Callote isolante et article chaussant ainsi équipé

Country Status (4)

Country Link
EP (1) EP0736267A3 (fr)
JP (1) JPH0910012A (fr)
DE (1) DE19512499C1 (fr)
NO (1) NO961354L (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7752776B2 (en) 2002-07-29 2010-07-13 Gore Enterprise Holdings, Inc. Thermally insulating products for footwear and other apparel
WO2017070483A1 (fr) 2015-10-21 2017-04-27 W. L. Gore & Associates, Inc. Articles chaussants isolés
DE202017103414U1 (de) 2017-04-21 2017-08-09 W.L. Gore & Associati S.R.L. Isolierte Schuhwerkartikel

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20114281U1 (de) * 2001-09-03 2002-01-31 Schreiber, Jörg, 73447 Oberkochen Kälteschutzkappen für Finger- oder Zehenspitzen
US6718556B2 (en) * 2001-10-18 2004-04-13 Richard J. Zuckerwar Super insulated glove/mitten with enhanced tactile sensitivity
DE20201919U1 (de) * 2002-02-08 2002-08-08 MATTES & AMMANN GmbH & Co. KG, 72469 Meßstetten Abstandsgestrick für Matratzen- und Sitzbezüge sowie Innenverkleidungen
FR2891118B1 (fr) 2005-09-28 2007-12-21 Salomon Sa Chaussure qui ameliore le serrage de la tige
FR2894114B1 (fr) 2005-12-06 2008-04-18 Salomon Sa Element d'isolation thermique et vetement, chaussure munie d'un tel element
DE102017001266A1 (de) 2017-02-10 2018-08-16 Oliver Horsky Einlegesohle für Schuhe aller Art zum Schutz vor Kälte, Nässe und Druckstellen
WO2019035706A1 (fr) * 2017-08-14 2019-02-21 Davila Moreno Horacio Élément rapporté du type semelle intérieure-chaussette pour un article chaussant
KR102600043B1 (ko) * 2021-10-28 2023-11-09 주식회사세몽나이스 방한용 에어백이 구비된 방한화용 갑피

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE139556C (fr) *
DE652856C (de) * 1937-11-09 Georg Meier Kaelteschuetzer fuer Zehen und Vorderfuss
GB124370A (en) * 1918-08-21 1919-03-27 William Charles Bower An Asbestos and Canvas Insole to be worn with Shoes or other Footwear.
FR541075A (fr) * 1921-09-14 1922-07-22 Capuchon destiné à s'appliquer sur le pied
CH254527A (de) * 1946-03-20 1948-05-15 Schwegler Christian Schuheinlage.
DE1015347B (de) * 1954-08-06 1957-09-05 Georg Hartmann Schuhfabrik Kaelteschutzschuh oder -stiefel
DE1710227U (de) * 1955-03-31 1955-11-03 Karl Mayer Fuss- und strumpfschutz-einlegesohle.
US4005532A (en) * 1975-08-20 1977-02-01 Comfort Products, Inc. Insulated insole construction
DE3147202A1 (de) * 1981-11-27 1983-06-01 W.L.Gore & Co. GmbH, 8011 Putzbrunn Wasserdampfdurchlaessiges (schweissdurchlaessiges) schuhwerk
DE9108522U1 (de) * 1991-07-11 1991-10-17 Yarar, Lale, 4100 Duisburg Einlegesohle mit Kappe

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7752776B2 (en) 2002-07-29 2010-07-13 Gore Enterprise Holdings, Inc. Thermally insulating products for footwear and other apparel
WO2017070483A1 (fr) 2015-10-21 2017-04-27 W. L. Gore & Associates, Inc. Articles chaussants isolés
KR20180057654A (ko) * 2015-10-21 2018-05-30 더블유.엘. 고어 앤드 어소시에이트스, 인코포레이티드 절연 신발 물품
US10165822B2 (en) 2015-10-21 2019-01-01 W. L. Gore & Associates, Inc. Insulated footwear articles
DE202017103414U1 (de) 2017-04-21 2017-08-09 W.L. Gore & Associati S.R.L. Isolierte Schuhwerkartikel

Also Published As

Publication number Publication date
NO961354L (no) 1996-10-07
NO961354D0 (no) 1996-04-02
JPH0910012A (ja) 1997-01-14
EP0736267A3 (fr) 1996-12-27
DE19512499C1 (de) 1996-06-05

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